Ribbon cartridge



FIG. 1 is a first perspective view of a ribbon cartridge;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front view thereof; and,

FIG. 8 is a back view thereof.

Broken lines depict portions of the ribbon cartridge that form no part of the claimed design. 

CLAIM We claim the ornamental design for a ribbon cartridge, as shown and described. 